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Sure, a light trial bike can be turned sharply and quickly, but how about an 800-pound Harley-Davidson Road King? Here's a video of Donnie Williams of Grand Prairie, Texas, taking his patrol motorcycle through a series of precise, tight turns. He doesn't knock over a single cone. -via MArooned
This guy does have skills to be proud of. I'd like to see him up against some of the Japanese and German riders I've seen on Kawasakis and BMWs.
But a brief viewing shows that the course here lacks at least a couple customary features like stops and decreasing radius turns. If he enters any competitions, he should expect those, too.